On familysearch, there is a death of James Rankin, Jan 16, 1915 in Manhattan, widowed, salesman, son of Thomas Rankin and Sarah Sloss. James was born Jan 4, 1836 in Ireland.
I have been researching the family of Thomas Rankin and Sarah Sloss who is sometimes referred to as Sarah Camman or Jane Canning. In particular, their daughter Mary Rankin who married Edward Johnston and Mary was born Dec 2, 1839 and died Apr 25, 1934 in Ballindrum, Moneymore, Ireland.
Perhaps an obit for James Rankin would reveal if it is the same family as Mary Rankin married to Edward Johnston. Or John Rankin who died Dec 16, 1931 in High Street, Moneymore. Or Thomas Rankin who died 18 Jan 1934 in Dumfries, Scotland. thank you, Peggy